US Bridges

Tyler Road over Oat Creek

Poor

Tehama County, California · 0.25 MI N of Proberta RD · Structure no. 08C0257

Built
1965
60 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
2 main spans
Daily traffic
1,200
2006 count
Owner
County
County Highway Agency

About this bridge

Tyler Road over Oat Creek is a steel stringer/multi-beam or girder carrying Tyler Road over Oat Creek in Tehama County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,200 vehicles a day, roughly 8% of them trucks, projected to reach 1,976 by 2044. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTyler Road
CrossesOat Creek
Location0.25 MI N of Proberta RD
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.07848, -122.15326
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2006)
Projected traffic1,976 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$548,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tyler Road over Oat Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Tyler Road over Oat Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Tyler Road over Oat Creek carry?

About 1,200 vehicles per day (2006 count), of which roughly 8% are trucks.

How long is Tyler Road over Oat Creek?

The structure is 64 ft (19.5 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Tyler Road over Oat Creek?

It is owned by the County Highway Agency.